How do you pronounce "supplemental"?

In American English: /ˌsəpləˈmɛntəl/ (suhpl-uh-MEHNT-uhl). In British English: /sˌɐplɪmˈɛntəl/ (s-ⱯPL-im). In Canadian English: /ˌsəpləˈmɛntəl/ (suhpl-uh-MEHNT-uhl). In Australian English: /sˌʌplɪmˈɛntəl/ (s-uhpl-IM-ehnt).

Is "supplemental" pronounced differently in American and British English?

Yes. In American English it's pronounced /ˌsəpləˈmɛntəl/ (suhpl-uh-MEHNT-uhl), while in British English it's /sˌɐplɪmˈɛntəl/ (s-ⱯPL-im).

How to Pronounce "supplemental"

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supplemental

regional

/ˌsəpləˈmɛntəl/

suhpl-uh-MEHNT-uhl

Syllable Breakdown

səplsup·əple·mɛntmen·əltal

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14